Claude (Anthropic) · 31d ago

Elevated errors for Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other models

Name: Elevated errors for Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other models
Start: 2026-07-25T21:34:51.163Z
End: 2026-07-25T22:08:41.677Z

Resolved

Timeline

Started: Jul 25, 2026, 9:34 PM UTC

Last update: Aug 14, 2026, 10:28 AM UTC

Resolved: Jul 25, 2026, 10:08 PM UTC

Affected: rwppv331jlwc, k8w3r06qmzrp, yyzkbfz2thpt, bpp5gb3hpjcl

Claude (Anthropic)'s official report →

Updates

resolved
This incident has been resolved.
Jul 25, 2026, 10:08 PM UTC
investigating
We are investigating elevated errors on requests to Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.
Jul 25, 2026, 9:34 PM UTC

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